Easy-to-Read DynaFact Gauge monitors turbocharger performance. Dynamically indicates boost output allowing the driver to target ideal boost setting. Superior Precision and Durability. Easy-to-Read DynaFact Gauge monitors turbocharger performance in diesels. Dynamically indicates boost output and allows driver to target ideal boost setting with 0-50 or 0-15 psi configurations. 1-Year Limited Warranty. Mounting systems for all of our gauges are available.Boost Gauge Kit, 0-50 PSI, Mechanical for use with 1993-2002 Cummins 5.9L/8.3L Motorhome